Patents by Inventor Gerrit Konijn

Gerrit Konijn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5885488
    Abstract: Column (1) for counter-currently contacting gas and liquid having a gas inlet and a liquid outlet arranged in its lower end and a liquid inlet and a gas outlet arranged in its upper end, which column is provided with a plurality of horizontal contact trays (5, 6, 7, 8) arranged axially spaced apart in the column (1), each contact tray (5, 6, 7, 8) being provided with gas passages and a downcomer (10, 11, 12, 13) opening below the contact tray (5, 6, 7, 8), and with a plurality of horizontal separation trays (15, 16, 17) provided with swirl tubes (20, 21, 22) and with means (29, 30, 31) for removing liquid from the separation tray (15, 16, 17), each separation tray (15, 16, 17) being arranged above a contact tray (6, 7, 8), wherein each swirl tube (20, 21, 22) is provided with an annular U-turn deflector (34, 35, 36) arranged over the upper end of the swirl tube (20, 21, 22).
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: March 23, 1999
    Assignee: Shell Oil Company
    Inventor: Gerrit Konijn
  • Patent number: 5683629
    Abstract: A horizontal tray (3) is disclosed for use in a normally vertical column (1) for counter-currently contacting gas and liquid, which horizontal tray (3) comprises an upper horizontal plate (6), a lower horizontal plate (7), a liquid supply space (8), a liquid feed pipe (10) opening into the liquid supply space (8), and a vertical tubular contact and separation device (13), which comprises an open-ended tube (15) extending through the horizontal plates (6, 7), a liquid delivery device (22) comprising an upwardly directed liquid delivery opening (24, 39) which is in fluid communication with the liquid supply space (8), swirl imparting means (30) arranged in the open-ended tube (15) above the liquid delivery opening (24), and guide means (31) to direct liquid from the upper end of the open-ended tube (15) onto the upper horizontal plate (6), which horizontal tray further comprises an open-ended downcomer (35) having an inlet arranged above the upper horizontal plate (6) and an outlet arranged below the lower hori
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: November 4, 1997
    Assignee: Shell Oil Company
    Inventor: Gerrit Konijn
  • Patent number: 5300132
    Abstract: A device for the counter-current contacting of gas and liquid comprises a normally vertical column having a gas inlet and a liquid outlet at the lower end thereof and a gas outlet and a liquid inlet at the upper end thereof. The column contains gas/liquid contacting apparatus located between the gas inlet and the liquid inlet and a gas/liquid separation apparatus located above the gas/liquid contacting apparatus and below the liquid inlet. The separation apparatus includes a horizontal collection tray having passages communication with a separation device and with at least one vertical distribution tube extending through the horizontal collection tray to the gas/liquid separation apparatus. The separation device has a gas outlet communicating to the gas outlet of the column and a liquid outlet, which with the liquid inlet, discharges onto the horizontal collection tray.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: April 5, 1994
    Assignee: Shell Oil Company
    Inventor: Gerrit Konijn
  • Patent number: 4880451
    Abstract: Gas/liquid contacting apparatus (1) comprising a housing (2) provided with a gas inlet (3), a liquid outlet (5), a liquid inlet (7) and a gas outlet (9) arranged above the gas inlet (3), and a horizontal tray (11) arranged between the gas inlet (3) and the liquid inlet (7) and provided with a cyclonic separator (13) extending from below the horizontal tray (11) to above the horizontal tray (11), which cyclonic separator (13) comprises a vertical swirl tube (17) internally provided with swirl imparting means (19), a coaxial gas outlet tube (21) arranged above the vertical swirl tube (17) and provided externally with an annular deflector (32), an outer tube (23) arranged around the swirl tube (17) and provided at its upper end with an inwardly directed annular deflector (35) and with a gas outlet (33), and at least one conduit (31) extending from the exterior of the cyclonic separator ( 13) above the tray (11) to the interior of the swirl tube (17) below the swirl imparting means (19).
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: November 14, 1989
    Assignee: Shell Oil Company
    Inventor: Gerrit Konijn